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Enter your values above to see the percentage result.
A percentage is a way of expressing a number as a fraction of 100. The word "percent" comes from the Latin phrase per centum, which translates literally to "by the hundred." It is universally indicated using the percent sign (%).
For example, 45% represents 45 out of 100, or the fraction 45/100, which can also be written as the decimal 0.45.
Percentages are heavily used in finance, business, and everyday life to make comparisons easier. Whether you are calculating discounts at a store, figuring out sales tax, evaluating a tip for a meal, or looking at the interest rate on a loan, percentages provide a standardized way to understand proportions.
To calculate a percentage, you usually divide the part by the whole and multiply the result by 100.
To find out how much a value has grown or shrunk relative to its original size:
This is one of the most common mathematical confusions in news and finance!
A percentage point is the simple numerical difference between two percentages.
Example: If a mortgage rate increases from 4% to 5%, it has increased by 1 percentage point (5 - 4 = 1).
Percentage change is the relative difference. It tells you how much the value grew relative to its starting point.
Example: That same increase from 4% to 5% is a 25% relative increase ((5 - 4) / 4 × 100 = 25%).
When an item is "20% off," you multiply the original price by 0.20 to find your savings, then subtract it.
Savings accounts and investments yield returns expressed as a percentage, often compounding over time.
Sales tax and restaurant tips are added to your base total as a direct percentage of the original amount.
Our tool features 11 distinct modes to handle any percentage scenario. Simply select the mode you need from the tab navigation, enter your numbers, and the tool will instantly provide the result along with the mathematical formula used.